KR19990081005A - How to display changed program information of satellite broadcasting receiver - Google Patents

Abstract

The present invention changes the program information of the satellite broadcast receiver so that the user can easily identify by displaying a guide message indicating that the corresponding program has been changed when a specific program is changed due to the broadcast conditions of each channel stored in the satellite broadcast receiver The present invention relates to a display method. To this end, when the update information indicating that a part of a plurality of stored program information has been changed is received, the present invention receives information about the changed broadcast program and displays program information for each channel. Updating; Reading and displaying the stored program information for each channel when a key signal for displaying the stored program information for each channel is input; Displaying a separate change indication for the changed broadcast program among the displayed plurality of broadcast programs; And displaying a guide message indicating that the selected broadcast program is a changed broadcast program from past program information when a key signal for selecting a changed broadcast program is input among the displayed plurality of broadcast programs.

Description

How to display changed program information of satellite broadcasting receiver

The present invention relates to a satellite broadcast receiver, and more particularly, to a method of displaying changed program information of a satellite broadcast receiver suitable for efficiently displaying information about a changed broadcast program among program information for each channel of the satellite broadcast receiver.

Satellite broadcasting is a broadcasting system that can receive a broadcast signal from a ground station (broadcasting earth station) using a broadcasting satellite and receive it directly from a satellite receiving antenna in each home. Receives a digital broadcast signal, extracts a broadcast signal of a selected channel among broadcast signals received by a transport demultiplexor, and decodes the extracted broadcast signal using a MPEG (Motion Picture Expert Group) method to provide a display device. Is configured to.

In addition, unlike the conventional terrestrial broadcasting, such satellite broadcasting system provides program information for each channel, and the user can more conveniently select a desired broadcasting program or channel by referring to a program guide screen for each channel. . FIG. 4 is a diagram illustrating an example of a program guide screen provided by the conventional satellite broadcast receiver. When a user requests a program guide screen using a key input unit of the satellite broadcast receiver, FIG. As described above, program information for each channel is sequentially displayed for each time zone, and the user can again search for a desired program by scrolling the screen left / right or up / down using a key input means.

In the satellite broadcasting system, program information of about two weeks or one month is inserted into a satellite broadcasting signal and transmitted. The various broadcasting programs include programs that are changed to other programs and broadcasted due to broadcasting conditions. For example, if a game is canceled due to rainy weather or a specific broadcast is canceled and replaced by another broadcast program due to rainy weather, a service provider providing program information may be updated. Version information is transmitted to inform that the program information has been changed, and the satellite broadcasting receiver re-receives and stores the changed program information and displays the changed program guide screen at the request of the user.

However, there is a problem that the user does not recognize the changed program guide screen, that is, a guide screen displayed by changing a program in a specific time zone due to broadcasting conditions, so that information indicating that the program has been changed due to broadcasting conditions is not provided. .

Accordingly, the present invention is to solve the above-described problems of the prior art, and when displaying a program guide screen for each channel of the satellite broadcasting receiver, the changed broadcasting program can be displayed by separately displaying information indicating that the corresponding program has been changed. An object of the present invention is to provide a method for displaying changed program information of a satellite broadcasting receiver.

In order to achieve the above object, the present invention, the satellite broadcast signal provided from the satellite, and receives and stores the program information for each channel inserted into the satellite broadcast signal, information about the program changed in the satellite broadcast receiver for displaying the same 1. A method of displaying, comprising: a first step of checking whether or not to receive update information indicating that some programs of the stored plurality of broadcast program information have been changed while the program information for each channel is pre-stored; Receiving the information on the changed broadcast program and updating and storing the stored program information for each channel when the update information is received; A third step of reading and displaying the stored program information for each channel when a key signal for displaying the stored program information for each channel is input; A fourth step of displaying a separate change indication for the changed broadcast program among the displayed plurality of broadcast programs; And a fifth step of displaying a guide message indicating that the selected broadcast program is a changed broadcast program from past program information when a key signal for selecting a changed broadcast program is input from the plurality of displayed broadcast programs. Provides a method of displaying changed program information.

1 is a block diagram of a satellite broadcast receiver suitable for applying a changed program information display method of a satellite broadcast receiver according to an embodiment of the present invention;

2 is a view for explaining a method of displaying changed program information of a satellite broadcasting receiver according to an embodiment of the present invention;

3 is a flowchart illustrating a process of displaying changed program information of a satellite broadcasting receiver according to an embodiment of the present invention;

4 is a diagram illustrating an example of a program guide screen for each channel provided by a general satellite broadcasting receiver.

<Description of the code | symbol about the principal part of drawing>

110: key input unit 120: microcomputer

130 tuner and demodulator 140 memory unit

150: MPEG Decoder 160: Video Encoder

170: menu generating unit 180: image synthesizing unit

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a satellite broadcast receiver suitable for applying a method of displaying changed program information of a satellite broadcast receiver according to an exemplary embodiment of the present invention, and includes a key input unit 110, a microcomputer 120, a tuner, and a demodulator ( 130, a memory unit 140, an MPEG decoder 150, a video encoder 160, a menu generator 170, and an image synthesizer 180.

Referring to FIG. 1, the key input unit 110 is configured with key metrics on a remote controller or its own panel to generate a corresponding key signal by a user's operation and provide the corresponding key signal to the microcomputer 120. The tuner and demodulator 130 ) Receives a broadcast signal received through a broadcast signal receiver (i.e., a satellite reception antenna), not shown, based on a control signal provided from the microcomputer 120, and converts and demodulates the received broadcast signal into an intermediate frequency. And it is restored to the transport stream through a process such as error correction. In addition, the tuner and demodulator 130 extracts the broadcast signal and PAT / PMT data for each channel, and extracts the EIT data of the video and audio and the program information for each channel therefrom and provides them to the microcomputer 120. do.

The microcomputer 120 stores various additional information extracted from the above-described tuner and demodulator 130 in a predetermined area of the memory unit 140. The various additional information includes program information for each channel. . When the user selects an arbitrary broadcasting channel, the microcomputer 120 reads various additional information and channel ID information stored in the memory unit 140 and the video signal for the selected channel through the tuner and demodulator 130. And demultiplexing the audio signal so that only the video and audio signals corresponding to the broadcast signal having the PID set are transmitted.

The MPEG decoder 150 may vary the length of the compressed and encoded video signal in consideration of the spatiotemporal and spatial correlation of the compressed and encoded audio signal and the video signal of the bit stream output from the tuner and the demodulator 130. The decoding is performed to decode the original signal before encoding using decoding techniques such as decoding, inverse DCT, inverse quantization, and motion compensation. At this time, the digital audio signal decoded and output from the MPEG decoder 150 is converted into an analog audio signal through an audio signal processor (not shown) and output through an speaker not shown. The digital video signal decoded from the MPEG decoder 150 is converted into an NTSC or PAL analog video signal through a predetermined signal processing by the video encoder 160 and then provided to the image synthesizer 180.

The menu generating unit 170 reads from the memory unit 140 and provides various types of data provided through the microcomputer 120 into a menu screen of a predetermined type and provides the same to the image synthesizing unit 180. That is, the menu generator 170 pre-stores various types of menu screen format information provided by the satellite broadcasting receiver, and receives various additional data stored in the memory 140 from the microcomputer 120 to provide a menu of a predetermined type. It is configured as a screen and provided to the image synthesizing unit 180. Accordingly, the image synthesizing unit 180 superimposes and displays the decoded video signal provided from the MPEG decoder 150 and the menu screen provided from the menu generator 170.

When the power of the satellite broadcasting receiver configured as described above is turned on, the tuner and demodulator 130 receives the bit stream transmitted to the satellite and restores the signal through a predetermined signal processing process. Packet information and program information for each channel are inserted. The program information for each channel is generally composed of program information of about two weeks, and is sequentially transmitted at predetermined time units (EIT1, 2, 3, ...). do. At this time, the microcomputer 120 sequentially extracts various ID information (including channel IDs) and program information for each channel from the satellite broadcast signal output from the tuner and the demodulator 130, and then extracts the program information for each channel to a predetermined region of the memory unit 140. Will be saved.

Then, when the storing process for the various additional information and the program information for each channel is completed, the microcomputer 120 is a predetermined predetermined channel (for example, the most recently watched past viewing channel or the initial channel set by the user) ) And a control signal based on the channel ID stored in the memory unit 140 to generate to the tuner and the demodulator 130. Accordingly, the tuner and demodulator 130 extracts and outputs a broadcast signal for a corresponding channel, and the broadcast signal of the extracted channel performs a predetermined signal processing process through the MPEG decoder 150 and the video encoder 160. After coarse it is displayed on the screen.

During the normal viewing mode of the satellite broadcasting receiver, when the user operates the key input unit 110 to input a key signal for displaying a program guide screen, the microcomputer 120 for each channel stored in the memory unit 140. The program information is read and provided to the menu generator 170, and the menu generator 170 configures program information for each channel provided from the microcomputer 120 as a guide screen in a predetermined form and transmits the information to the image synthesizer 180. By providing the program guide screen as shown in Fig. 4 is displayed. Therefore, the user can search for a desired broadcast program by using the program guide screen displayed on the screen.

On the other hand, when some broadcast programs of the program information for each channel as described above, for example, 'CH 11 football relay' is canceled due to the rain, the service provider providing the satellite broadcasting service has changed the program information and program information. Update information indicating that has been changed is also transmitted. In this case, when update information is detected from the broadcast program information received through the tuner and the demodulator 130, the microcomputer 120 extracts the changed program information from the program information for each channel inserted into the broadcast signal and stores the memory. By storing in the unit 140, the program information stored in the current memory unit 140 is updated.

With the program information updated through this process, that is, information about a part of the program changed due to broadcasting conditions, stored in the memory unit 140, the user operates the key input unit 110 again to display the program guide screen for each channel. When the key signal is input, the microcomputer 120 reads the program information for each channel stored in the memory unit 140 and provides it to the menu generator 170, thereby displaying a program guide screen as shown in FIG. 2A. .

In this case, the displayed program guide screen displays a substitute program (silence of the amounts of CH 11) for the changed broadcast program (football of CH 11) as shown in FIG. 2A, and a separate program indicating the changed program in the corresponding program field. A change display 201 is included and displayed. Then, when the user operates the key input unit 110 to select the change-displayed program 201 (silence of the amounts of CH 11), the microcomputer 120 reads detailed information about the selected program and generates a menu generator ( 170, the detailed information screen 203 is displayed on the currently displayed program guide screen as shown in FIG. 2B.

Meanwhile, as shown in FIG. 2B, the detailed information screen 203 to be displayed includes information about a broadcast time and an audio mode, whether a voice is multiplied, and an aspect ratio for the corresponding program, and a guide message indicating that the corresponding program is a changed program (eg For example, it has been changed in 'Soccer relay'). Therefore, the user can confirm that the broadcast program has been changed.

3 is a flowchart illustrating a process of displaying changed program information of a satellite broadcasting receiver according to an exemplary embodiment of the present invention. A series of processes described above with reference to the accompanying drawings will be described in detail as follows.

With the program information for each channel inserted and transmitted in the satellite broadcast signal stored in the memory unit 140 of the satellite broadcast receiver (step 301), the update information for notifying that some program information in the program information for each channel has been changed is the satellite broadcast signal. When inserted into the transmission (step 303), the microcomputer 120 receives the changed program information through the tuner and the demodulator 130 and stores the program information in the memory unit 140, thereby storing the program for each channel stored in the memory unit 140. The information is updated (step 305).

After the program information for each channel is updated through the above-described process, the overall operation of the satellite broadcasting receiver operates in the normal viewing mode in which a broadcast signal for a specific channel is received and displayed on a screen through a predetermined signal processing process. In operation 307, when a key signal for displaying program information for each channel is input through the key input unit 110 (step 309), the microcomputer 120 stores each channel stored in the memory unit 140 in response to the key signal. By reading the program information and providing it to the menu generator 170, the program guide screen shown in Fig. 2A is displayed (step 311). In this case, the displayed program guide screen includes a separate change display 201 for the changed program as shown in the drawing.

Meanwhile, as shown in FIG. 2A, if a broadcast program is selected through the key input unit 110 while the broadcast program for each channel is displayed (step 313), the microcomputer 120 selects the selected program. It is checked whether the changed broadcast program, that is, the program including the change display 201 (step 315). If the result is not the changed broadcast program, detailed information on the selected program (audio mode, voice multiplexing, aspect ratio) is checked. Etc.) (step 317), and the read detailed information is superimposed on the program guide screen displayed on the current screen and displayed (step 319).

On the contrary, if the checked program of step 315 is changed, the microcomputer 120 reads detailed information and change information (for example, the program name before the change) of the corresponding program (step 321). By providing this to the menu generating unit 170, a detailed information screen and a guide message indicating that the corresponding program has been changed are displayed on the program guide screen displayed on the current screen as shown in FIG. 2B (step 323). . Accordingly, the user may know that the corresponding broadcast program has been changed by referring to the detailed information screen and the guide message displayed on the screen.

On the program guide screen for each channel provided by the satellite broadcasting receiver, by displaying a separate change indication and a corresponding guide message for a program whose broadcast schedule is changed, the user can easily grasp the change on the corresponding program. Therefore, there is an effect that can meet the needs of more diverse users.

Claims (1)

A method of receiving a satellite broadcast signal, receiving and storing program information for each channel inserted into the satellite broadcast signal, and displaying the changed program information in the satellite broadcast receiver displaying the same. A first step of checking whether or not to receive update information indicating that some programs of the stored plurality of broadcast program information have been changed while the program information for each channel is pre-stored; Receiving the information on the changed broadcast program and updating and storing the stored program information for each channel when the update information is received; A third step of reading and displaying the stored program information for each channel when a key signal for displaying the stored program information for each channel is input; A fourth step of displaying a separate change indication for the changed broadcast program among the displayed plurality of broadcast programs; And a fifth step of displaying a guide message indicating that the selected broadcast program is a changed broadcast program from past program information when a key signal for selecting a changed broadcast program is input from the plurality of displayed broadcast programs. How to display changed program information.